CN207542138U - A kind of indoor vacuum circuit breaker - Google Patents
A kind of indoor vacuum circuit breaker Download PDFInfo
- Publication number
- CN207542138U CN207542138U CN201721294143.3U CN201721294143U CN207542138U CN 207542138 U CN207542138 U CN 207542138U CN 201721294143 U CN201721294143 U CN 201721294143U CN 207542138 U CN207542138 U CN 207542138U
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- China
- Prior art keywords
- button
- locating part
- mandril
- electric conductor
- manual brake
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Abstract
The utility model is related to a kind of indoor vacuum circuit breakers,Including chassis vehicle,Spring operating mechanism and pole,Spring operating mechanism includes mechanism shell,Operation panel,Cam,Connecting plate,Spindle drive connecting lever,It is driven connecting plate,Transmission crank arm,Tripping spring,It closes a floodgate and keeps pawl,Semiaxis,Manual brake separating mandril,Tripping electromagnet,It is corresponded on operation panel and is provided with button slot at manual brake separating mandril,Opening button is provided in button slot,Opening button includes button,Spring,Drive locating part,The tail portion of cylinder driving portion passes through the through-hole in button slot and extends in mechanism shell,The threaded one end of driving locating part is connected on the tail portion of cylinder driving portion,The other end of locating part is driven to contradict on manual brake separating mandril,The junction of driving locating part and cylinder driving portion is provided with the washer on the inner wall for being fitted in operation panel.The utility model has the advantages that simple in structure, stable and reliable for performance, service life is long.
Description
Technical field
The utility model is related to a kind of vacuum circuit breakers, and in particular to a kind of indoor vacuum circuit breaker.
Background technology
Indoor vacuum circuit breaker is as grid equipment, the protection of industrial and mining enterprises' power-equipment and control unit.Suitable for
Frequent operation or the multiple place for cut-offfing short circuit current under rated operational current.The breaker is using operating mechanism and open circuit
Device ontology unitary design, both can be used as fixed installation unit, also provided with special propulsive mechanism, the unit effect of composition handcart.
The complex structural designs of existing operating mechanism, and operating mechanism, in manual brake separating, the structure design of opening button is unreasonable,
Opening button is easily stuck in the button slot of operation panel, and opening button can not reset, and influences normal point of vacuum short-circuiting device
Lock.And also there are the defects of performance is unreliable, service life is short for the vacuum circuit breaker.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide it is a kind of it is simple in structure, stable and reliable for performance,
The indoor vacuum circuit breaker of service life length.
To achieve the above object, the utility model uses a kind of indoor vacuum circuit breaker, including chassis vehicle, is arranged on chassis
Spring operating mechanism and pole on vehicle, the spring operating mechanism include mechanism shell, are arranged on mechanism shell
Operation panel, cam, connecting plate, spindle drive connecting lever, transmission connecting plate, transmission crank arm, tripping spring, closing a floodgate keeps pawl, half
Axis, manual brake separating mandril, tripping electromagnet correspond on the operation panel and button slot are provided at manual brake separating mandril, institute
It is provided with opening button in the button slot stated, the opening button includes button, in button slot and is sleeved on button
Spring, driving locating part on cylinder driving portion, the tail portion of the cylinder driving portion pass through through-hole and extension in button slot
In mechanism shell, the threaded one end of the driving locating part is connected on the tail portion of cylinder driving portion, and drives locating part
The other end contradict on manual brake separating mandril, the junction of the driving locating part and cylinder driving portion, which is provided with, to be fitted in
Washer on the inner wall of operation panel.
The advantageous effect of above structure is：The indoor vacuum circuit breaker have it is simple in structure, stable and reliable for performance, use the longevity
It orders the advantages of long, the manual brake separating mandril with spring operating mechanism is provided on operation panel, drive the circle of locating part and button
Column driving portion is threadedly coupled, and is mounted on operation panel convenient for button, and spring can accelerate opening button to reset, avoid separating brake by
Button is stuck, drives the washer between locating part and cylinder driving portion that can play cushioning effect, is conducive to extend making for opening button
Use the service life.
Particularly, the driving locating part is towards being provided with load plane, driving limit on the side of manual brake separating mandril
When pushing manual brake separating mandril, load plane is fitted on manual brake separating mandril position part.Fitting is provided on driving locating part
Load plane on manual brake separating mandril increases the contact area of driving locating part and manual brake separating mandril, improves point
The reliability being driven between lock button and manual brake separating mandril.
Particularly, the pole includes insulation crust, the vacuum interrupter being arranged in insulation crust and insulation
Pull rod the upper electric conductor for being connected to vacuum interrupter upper end, is flexible coupling, lower electric conductor, and the insulation crust is by epoxy resin
Be made, and insulation crust and vacuum interrupter, insulated tension pole, be flexible coupling, upper electric conductor, lower electric conductor are an integral structure, institute
The insulated tension pole stated is connected between transmission crank arm and vacuum interrupter, and the one end being flexible coupling is connected to vacuum interrupter and insulation
Between pull rod, the other end being flexible coupling is connected on lower electric conductor, is respectively connected on the upper electric conductor, lower electric conductor tactile
Arm, Mume flower contact.Insulation crust by vacuum interrupter, upper electric conductor, be flexible coupling, lower electric conductor is all encapsulated, in insulation crust
Portion will not by dust, moisture, etc. influence, improve the reliability of the vacuum circuit breaker operation, extend its service life, and absolutely
Edge shell and vacuum interrupter, insulated tension pole, be flexible coupling, upper electric conductor, lower electric conductor are an integral structure, substantially increase solid
The mechanical strength of sealed pole.
Particularly, for the insulation crust towards support portion is provided on the side of mechanism shell, which passes through spiral shell
Nail is fixed on mechanism shell.Support portion can play a supporting role, and ensure that the connection of spring operating mechanism and pole more
It is compact, improve the whole mechanical strength of product.
Description of the drawings
Fig. 1 is the utility model embodiment front view.
Fig. 2 is the utility model embodiment internal structure chart.
Fig. 3 is the A portions enlarged drawing of Fig. 2.
Specific embodiment
As shown in Figures 1 to 3, the utility model embodiment is a kind of indoor vacuum circuit breaker, including chassis vehicle 10, is arranged on
Spring operating mechanism 20 and pole 40 on chassis vehicle 10, the spring operating mechanism 20 include mechanism shell 21, set
It puts the operation panel 22 on mechanism shell 21, cam 23, connecting plate 24, spindle drive connecting lever 25, be driven connecting plate 26, transmission crank arm
27th, tripping spring 28, combined floodgate keep pawl 29, semiaxis 30, manual brake separating mandril 31, tripping electromagnet 32, the operating surface
It is corresponded on plate 22 and button slot 221 is provided at manual brake separating mandril 31, opening button 33 is provided in the button slot 221,
The opening button 33 includes button 331, in the button slot 221 and is sleeved on the cylinder driving portion 332 of button 331
Spring 333, driving locating part 334, the tail portion of the cylinder driving portion 332 pass through the through-hole 222 in button slot 221 and extend
In mechanism shell 21, the threaded one end of the driving locating part 334 is connected on the tail portion of cylinder driving portion 332, and is driven
The other end of dynamic locating part 334 is contradicted on manual brake separating mandril 31, the driving locating part 334 and cylinder driving portion 332
Junction be provided with the washer 335 being fitted on the inner wall of operation panel 22.The driving locating part 334 is towards manual point
Load plane 336 is provided on the side of lock mandril 31, driving locating part 334 when pushing manual brake separating mandril 31, put down by load
Face 336 is fitted on manual brake separating mandril 31.The load plane being fitted on manual brake separating mandril is provided on driving locating part,
The contact area of driving locating part and manual brake separating mandril is increased, improves and is driven between opening button and manual brake separating mandril
Reliability.
As shown in Fig. 2, the pole 40 includes insulation crust 41, the vacuum extinction being arranged in insulation crust 41
Room 42 and insulated tension pole 43, the upper electric conductor 44 for being connected to 42 upper end of vacuum interrupter, be flexible coupling 45, lower electric conductor 46, described
Insulation crust 41 be made of epoxy resin, and insulation crust 41 and vacuum interrupter 42, insulated tension pole 43, be flexible coupling 45, on
Electric conductor 44, lower electric conductor 46 are an integral structure, and the insulated tension pole 43 is connected to transmission crank arm 27 and vacuum interrupter
Between 42,45 one end of being flexible coupling is connected between vacuum interrupter 42 and insulated tension pole 43, be flexible coupling 45 other end connection
On lower electric conductor 46, contact arm 47, Mume flower contact 48 are respectively connected on the upper electric conductor 44, lower electric conductor 46.Insulation is outer
Shell by vacuum interrupter, upper electric conductor, be flexible coupling, lower electric conductor is all encapsulated, inside insulation crust will not by dust, moisture,
Deng influence, the reliability of the vacuum circuit breaker operation is improved, extends its service life, and insulation crust and vacuum extinction
Room, insulated tension pole, be flexible coupling, upper electric conductor, lower electric conductor are an integral structure, the machinery for substantially increasing pole is strong
Degree.For the insulation crust 41 towards support portion 411 is provided on the side of mechanism shell 21, which passes through screw
It is fixed on mechanism shell 21.Support portion can play a supporting role, and ensure that the connection of spring operating mechanism and pole more
It is compact, improve the whole mechanical strength of product.
The indoor vacuum circuit breaker has the advantages that structure is simple, stable and reliable for performance, service life is long, is set on operation panel
The manual brake separating mandril with spring operating mechanism is equipped with, driving locating part is threadedly coupled with the cylinder driving portion of button, convenient for pressing
Button is mounted on operation panel, and spring can accelerate opening button to reset, and avoid opening button stuck, drives locating part and cylinder
Washer between driving portion can play cushioning effect, be conducive to extend the service life of opening button.
Claims (4)
1. a kind of indoor vacuum circuit breaker, including chassis vehicle, setting spring operating mechanism on a chassis and pole, institute
The spring operating mechanism stated includes mechanism shell, the operation panel being arranged on mechanism shell, cam, connecting plate, spindle drive and turns
Arm, transmission connecting plate, transmission crank arm, tripping spring, closing a floodgate keeps pawl, semiaxis, manual brake separating mandril, tripping electromagnet, special
Sign is：It is corresponded on the operation panel and button slot is provided at manual brake separating mandril, be provided in the button slot point
Lock button, the opening button include button, in button slot and be sleeved on the cylinder driving portion of button spring, drive
Dynamic locating part, the tail portion of the cylinder driving portion pass through the through-hole in button slot and extend in mechanism shell, the drive
The threaded one end of dynamic locating part is connected on the tail portion of cylinder driving portion, and the other end of locating part is driven to contradict in manual brake separating
On mandril, the junction of the driving locating part and cylinder driving portion is provided with the pad on the inner wall for being fitted in operation panel
Circle.
2. indoor vacuum circuit breaker according to claim 1, it is characterised in that：The driving locating part is towards manual point
Load plane is provided on the side of lock mandril, for driving locating part when pushing manual brake separating mandril, load plane is fitted in hand
On dynamic separating brake mandril.
3. indoor vacuum circuit breaker according to claim 1, it is characterised in that：It is outer that the pole includes insulation
Shell, the vacuum interrupter being arranged in insulation crust and insulated tension pole, the upper electric conductor for being connected to vacuum interrupter upper end, soft company
It connects, lower electric conductor, the insulation crust is made of epoxy resin, and insulation crust and vacuum interrupter, insulated tension pole, soft company
Connect, upper electric conductor, lower electric conductor are an integral structure, the insulated tension pole be connected to transmission crank arm and vacuum interrupter it
Between, the one end being flexible coupling is connected between vacuum interrupter and insulated tension pole, and the other end being flexible coupling is connected on lower electric conductor,
Contact arm, Mume flower contact are respectively connected on the upper electric conductor, lower electric conductor.
4. indoor vacuum circuit breaker according to claim 3, it is characterised in that：The insulation crust is towards mechanism shell
Side on be provided with support portion, which is fixed by screws on mechanism shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294143.3U CN207542138U (en) | 2017-10-09 | 2017-10-09 | A kind of indoor vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294143.3U CN207542138U (en) | 2017-10-09 | 2017-10-09 | A kind of indoor vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542138U true CN207542138U (en) | 2018-06-26 |
Family
ID=62610144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721294143.3U Active CN207542138U (en) | 2017-10-09 | 2017-10-09 | A kind of indoor vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207542138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565176A (en) * | 2018-07-03 | 2018-09-21 | 四川奇通电气成套设备有限公司 | The open air of high anti-dewing is without vacuum circuit breaker of restriking |
-
2017
- 2017-10-09 CN CN201721294143.3U patent/CN207542138U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565176A (en) * | 2018-07-03 | 2018-09-21 | 四川奇通电气成套设备有限公司 | The open air of high anti-dewing is without vacuum circuit breaker of restriking |
| CN108565176B (en) * | 2018-07-03 | 2024-03-12 | 四川奇通电气成套设备有限公司 | Outdoor reburnless vacuum circuit breaker with high condensation resistance |
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